Finding the Fourth Proportional to 2,103.93, 3,152.64 and 1,281.99

Step by Step Solution

1. Step 1: Write the proportion equation
   2,103.93 : 3,152.64 = 1,281.99 : x
2. Step 2: Convert to fraction form
   2,103.93/3,152.64 = 1,281.99/x
3. Step 3: Cross multiply
   2,103.93x = 3,152.64 × 1,281.99
4. Step 4: Simplify right side
   2,103.93x = 4,041,637.19
5. Step 5: Solve for x
   x = 4,041,637.19/2,103.93
6. Step 6: Final answer
   x = 1,921.00